Array index error in the (1) torisa.c and (2) dahdi/tor2.c drivers in Zaptel (aka DAHDI) 1.4.11 and earlier allows local users in the dialout group to overwrite an integer value in kernel memory by writing to /dev/zap/ctl, related to missing validation of the sync field associated with the ZT_SPANCONFIG ioctl.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Zaptel | Asterisk | * | 1.4.11 (including) |
| Zaptel | Asterisk | 1.2 (including) | 1.2 (including) |
| Zaptel | Asterisk | 1.2.27 (including) | 1.2.27 (including) |
| Zaptel | Asterisk | 1.4 (including) | 1.4 (including) |
| Linux-ec2 | Ubuntu | maverick | * |
| Linux-mvl-dove | Ubuntu | karmic | * |
| Zaptel | Ubuntu | dapper | * |
| Zaptel | Ubuntu | gutsy | * |
| Zaptel | Ubuntu | hardy | * |
| Zaptel | Ubuntu | intrepid | * |
| Zaptel | Ubuntu | upstream | * |
References
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=507459
- http://bugs.digium.com/view.php?id=13954
- http://secunia.com/advisories/32947
- http://secunia.com/advisories/32960
- http://www.openwall.com/lists/oss-security/2008/12/03/10
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=507459
- http://bugs.digium.com/view.php?id=13954
- http://secunia.com/advisories/32947
- http://secunia.com/advisories/32960
- http://www.openwall.com/lists/oss-security/2008/12/03/10